F16F 9/486
Comprising a pin or stem co-operating with an aperture
Official title: {comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod}
F16F9/486 (Comprising a pin or stem co-operating with an aperture) appears on 98 US grants and 69 published applications in this corpus.
Search patents in F16F- Granted patents
- 98
- Published applications
- 69
- Assignees
- 65
- Inventors
- 156
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 1 | 3 |
| 2014 | 2 | 0 |
| 2015 | 3 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 8 |
| 2018 | 4 | 2 |
| 2019 | 6 | 11 |
| 2020 | 10 | 2 |
| 2021 | 3 | 7 |
| 2022 | 6 | 1 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Damper14 Jul 2026US 12,680,592 B2öHlins Group AB
- Shock absorber4 Nov 2025US 12,460,695 B2Hl Mando Corporation
- Hydraulic damper with a hydraulic compression stop assembly23 Sep 2025US 12,422,017 B2Beijing West Industries Co., Ltd.
- Multi-actor damping systems and methods17 Sep 2024US 12,091,164 B2Goodrich Corporation
- Method and apparatus for an adjustable damper16 Jul 2024US 12,038,062 B2Fox Factory, Inc.
- Railway damper valve assembly, and railway damper comprising such a railway damper valve assembly30 Jul 2026US 2026/0217288 A1Dellner Dampers AB
- Variable-speed buffer oil cylinder2 Jul 2026US 2026/0185585 A1Guangdong Zhaogao Metal Technology Co., Ltd.
- Shock absorber26 Feb 2026US 2026/0055797 A1Hl Mando Corporation
- Diaphragm and self-levelizer damper including the same25 Dec 2025US 2025/0389311 A1Hl Mando Corporation
- Hydraulic bump stop2 Oct 2025US 2025/0305553 A1Fox Factory, Inc.
Most cited
By later US patents
- Multi-ratio hydraulic energy dissipater89US 4,624,346 ACreusot-Loire · 1986
- Vehicular height adjusting device87US 5,988,655 AKayaba Kogyo Kabushiki Kaisha · 1999
- Hydraulic shock absorber83US 8,991,571 B2Showa Corporation · 2015
- Hydraulic shock absorber with progressive braking effect82US 6,467,593 B12002
- Shock absorber71US 4,437,548 ATokico Ltd. · 1984